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Abstract

Summary

Tectonic geomorphology studies provide an understanding of active tectonics in a region. The Simav half-graben lies within the western part of the Anatolian Plate, characterized by normal faulting and prominent topography due to regional N-NE extensional tectonics.

We computed six geomorphic indices for 101 drainage basins along the study area. Hi values show relatively higher amounts in the southern section and are related to the neotectonic activity of the Sındırgı-Sinanpaşa Fault Zone. Sl anomalies mainly refer to the knickpoints/knickzones caused by faulting and are commonly seen in the southern section of the study area. The high values of Ksn highlight the effect of tectonic processes and indicate rapid uplift rates. According to Vf results, most of the V-shaped values are observed in the southern and northeastern parts of the Simav half-graben. Af and Bs results suggest that high tilting events and elongated basins primarily locate along the Çaysimav and Naşa Fault Zones.

The quantitative geomorphic analyses suggest that the Simav half-graben is tectonically active during the Pleistocene and Holocene epoch and probably up to the present, where the landscape has developed in tectonicdominated conditions rather than erosional processes.

© EAGE Publications BV
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/content/papers/10.3997/2214-4609.202149BGS78
2021-10-10
2024-04-28

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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.202149BGS78
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Geomorphic Evidence of Active Faulting in the Simav Halfgraben, Western Turkey
Conference Proceedings 2021, 1 (2021); https://doi.org/10.3997/2214-4609.202149BGS78
/content/papers/10.3997/2214-4609.202149BGS78
/content/papers/10.3997/2214-4609.202149BGS78
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